/*
 * Copyright (C) 2008, Morgan Quigley and Willow Garage, Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *   * Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *   * Neither the names of Stanford University or Willow Garage, Inc. nor the names of its
 *     contributors may be used to endorse or promote products derived from
 *     this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef ROSCPP_INTERNAL_CONDITION_VARIABLE_H
#define ROSCPP_INTERNAL_CONDITION_VARIABLE_H

#include <boost/version.hpp>

// check if we might need to include our own backported version boost::condition_variable
// in order to use CLOCK_MONOTONIC for the condition variable and for the SteadyTimer
#if !defined(_WIN32) && !defined(__APPLE__) && (BOOST_VERSION < 106100)
  #define ROSCPP_USE_BACKPORTED_BOOST_CONDITION_VARIABLE_IMPLEMENTATION
#endif

#ifdef ROSCPP_USE_BACKPORTED_BOOST_CONDITION_VARIABLE_IMPLEMENTATION
  // use backported version of boost condition variable, see https://svn.boost.org/trac/boost/ticket/6377
  #include "boost_161_condition_variable.h"
  namespace roscpp {
  namespace internal {
    typedef boost_161::condition_variable condition_variable;
  }
  }
#else
  #include <boost/thread/condition_variable.hpp>
  namespace roscpp {
  namespace internal {
    typedef boost::condition_variable condition_variable;
  }
  }
#endif

#endif  // ROSCPP_INTERNAL_CONDITION_VARIABLE_H
